const TerserPlugin = require('terser-webpack-plugin'); module.exports = { entry: './src/index.jsx', output: { path: __dirname + '/public/', filename: 'app.bundle.js', sourceMapFilename: 'app.js.map' }, devtool: 'source-map', module: { rules: [ { test: /(\.js$|\.jsx$)/, exclude: /(node_modules)/, use: { loader: 'babel-loader', options: { presets: ['@babel/preset-env', '@babel/preset-react'], plugins: ['react-loadable/babel', '@babel/plugin-syntax-dynamic-import'] } } } ] }, optimization: { minimize: true, minimizer: [ new TerserPlugin({ terserOptions: { output: { comments: false, }, }, }) ] } };